Educational taxonomies developed by Bloom, Krathwohl, and collaborators have been used for decades as frameworks for instructional objectives, curriculum design, and assessments of achievement. However, their scope is now too limited. The well-known cognitive domain is extended to include ideational functions of imagination and creativity, and the…

Describes a series of exercises designed to develop student's perceptual skills and to improve the processes of comparing, describing, and developing subsets. Includes suggestions for adapting the exercises into science lessons, providing tips for developing each into complete units. Units include human-made objects, leaves, shells, rocks, and…